Bring a large pot of lightly salted water to a boil.,Stir in egg noodles and cook until al dente, 10 to 12 minutes.,Drain.,Preheat oven to 350 degrees F (175 degrees C).,Lightly grease 13x9 inch baking dish.,Toss the cooked noodles with the sour cream, cottage cheese, 1/2 cup sugar, eggs, and raisins until well blended.,Pour the noodle mixture into the prepared pan.,Dot the top with small pieces of butter.,______,Sprinkle over the noodles.,Bake in preheated oven until top is lightly brown, about 45 minutes.,Remove from oven and cool 10 minutes to set pudding before serving.